Coated intraocular lens and surgical tool

Details Coated intraocular lens and surgical tool Coated intraocular lens and surgical tool

1977-11-30

1979-10-09

Frinks, Ronald L.

Surgery

Truss

Pad

128303R, 128321, A61F 116, A61F 900, A61F 124, A61B 1728

Patent

active

041700430

ABSTRACT:
An intraocular lens or surgical tool used for eye surgery which is covered with a biocompatible water-soluble adherent film coating that has a very slow dissolution rate which maintains at least 40% of the coating on the lens for at least 30 minutes, but not more than 24 hours, when submerged in an aqueous media simulating the surgical environment. Polyvinyl alcohol is an example of such coating that is dissolvable in water and provides swellable outer portions of the coating that are sluffable so as to be self-sacrificing in protecting against both static and sliding contact with a corneal endothelium.

REFERENCES:
patent: 3996626 (1976-12-01), Richards et al.
patent: 4047532 (1977-09-01), Phillips et al.
patent: 4113088 (1978-09-01), Binkhorst
patent: 4127903 (1978-12-01), Schachar
patent: 4136406 (1979-01-01), Norris
"Corneal Endothelium Damage with Intraocular Lenses: Contact Adhesion Between Surgical Materials and Tissue," by H. E. Kaufman et al., Science, vol. 198, (4316), Nov. 4, 1977, pp. 525-527.
"Endothelial Damage from Intraocular Lens Insertion," by H. E. Kaufman et al., Investigative Ophthalmology, vol. 15, (12), Dec. 1976, pp. 996-1000.
"Prevention of Endothelial Damage from Intraocular Lens Insertion," by H. E. Kaufman et al., Tr. Am. Acad. Ophthalmology & Otol., vol. 83, Mar.-Apr. 1977, pp. 204-212.
"Pathology of the Corneal Endothelium," Investigative Ophthalmology, vol. 16, (4), Apr. 1977, pp. 265-268.
"Methylcellulose in Lens Implantation," Journal Amer. Intraocular Implant Society, vol. 3, (3&4), Jul.-Oct. 1977, pp. 180-181, by P. U. Fechner.

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